Units 15-16 frederick the great letters and documents 

 - Keynes  Open University Press       1979 
 - 112p.  cm. 
<br/><br/><label>ISBN: </label>0335076084 
<br/><br/><label>Standard No.: </label>243,375 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>SPIRITUALISM
<br/><br/><label>Dewey Class. No.: </label>Delta:8, L9